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A step by step approach for a ham radio vertical antenna mount using only a hole, gravel and a piece of plumbing pipe

Repair and Restoration Services in Orlando USA

Use this online calculator to determine the length of a quarter-wave antenna from the frequency. Both metric and English units of measurement are supported.

The Antique Radio Repair Center at For Your Listening Pleasure has been providing quality antique radioold zenith, zenith.gif repair and restorations for well over 20 years.

The BP-3 was a valve-based spy radio transceiver, developed during WWII by Tadeusz Heftman of the Polish Military Wireless Unit in Stanmore (UK). It was introduced in 1943 and was intended for use by Agents and Resistance Organisations in Europe. The transmitter produces an output power of 50 Watts in CW

HF Radio Contesting and personal information: Latest scores, station tour, DL contest records and large photo section, maps and software

Electronics and Radio Today for electronics and radio information, projects parctical information and introductory articles. Especially useful for those taking GCSE Electronics in the UK and around the world.

Dutch amateur radio dealer, based in Utigeest the Netherland

A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

CARA is dedicated to furthering the hobby of amateur radio in and around the city of Calgary, Alberta, Canada.

Includes W1BB Stew Perry letters, and a sample QSL cards of dated 1963

Interesting article by WY3A explaining benefits of operating CW

A tutorial video on manual programming the Wouxun KG-UV8D handheld transceiver

Azerbaijan

ON4KST chat free telnet based client for Windows, provides a web based appearance while maintaining the bit lean connection and telnet speed.

A Ham Radio Newsletter dedicated to HF communications and the PACTOR user

Program which will allow you easy migration from logPlus to another logging software. Tested with Logger by K4CY so let me know it you have problem ADIF import to other software.

Morse code learning software in spanish by EA8ALP

PSK31 News, Contests, Information, Forum, and more Find a helpful community and information.

Columbus Police Dispatch - Citywide Live Audio Feed

Test equipment maker, digital oscilloscopes, generators and counters, multimeters, logic probes testers and more

An HexBeam antenna project, a 2 full elements on six bands

MFSK is an easy-to-use chat mode for real-time amateur contacts, nets and bulletin transmissions, but not intended for contesting or Bulletin Board System (BBS) use. It is a half-duplex non-Automatic Repeat ReQuest (ARQ) forward-error-correcting (FEC) mode. It performs well on long-path fading conditions and in the presence of interference

Ham Radio software and software for the average computer user

A small sized and very cheap antenna project that allow you to work on WARC bands with a total gain very close to the dipole in both bands. On 12 meters is a normal dipole, while on 17 is a trapped dipole. Article in Italian

ARC200 is the latest software for the Uniden Sportcat SC200 and is the most versatile software available for the Sportcat Sc200

WA0SXV Experience with GAP Titan DX Antenna

Settng up a 40 meter WSPR beacon based on Raspberry Pi by VA3PAW

Guglielmo Marconi's foundational contributions to wireless communication began in 1894, inspired by Heinrich Hertz's discovery of radio waves in 1888. His initial experiments at his family home near Bologna quickly demonstrated signal transmission beyond line-of-sight, achieving distances up to **two miles** within a year. Marconi secured a patent in 1896, subsequently gaining interest from the British Admiralty after disinterest from the Italian government. By 1899, Marconi's system facilitated transmissions across the Bristol Channel (nine miles) and the English Channel (31 miles). A pivotal moment occurred in 1901 with the successful _transatlantic transmission_, defying the prevailing belief that Earth's curvature would limit practical range to approximately 200 miles. This achievement catalyzed the rapid development of the wireless industry. Marconi continued refining his inventions and, in 1909, shared the _Nobel Prize_ in physics with Karl Ferdinand Braun for their advancements in radio technology.

A project that describes a build a multiband wire beam antenna. A 3 band single feed moxon antenna for 20,15,10 meters.

Radio wave propagation, Principles of transmission lines, Antennas

Stub sketch notes. Attenuation coax stub schematics

Kenwood Ibérica's online presence details their extensive product line, including the NEXEDGE NXDN and DMR digital radio systems, alongside traditional analog offerings. The site categorizes transceivers by mode, such as HF / Todo Modo (All Mode), and portable/mobile VHF/UHF units, catering to various amateur radio operating preferences. This includes specific accessories like batteries, chargers, microphones, and programming cables, essential for maintaining and customizing radio equipment. The Spanish portal also highlights Kenwood's broader electronics portfolio, extending beyond amateur radio. This encompasses car electronics, featuring navigation and multimedia systems, as well as marine receivers and speakers. The product range covers everything from CD and CD-less car receivers to power amplifiers and DashCam/RearCam solutions, demonstrating the brand's diverse market reach. Beyond communications gear, the site presents home audio systems, including all-in-one receivers and portable party speakers. This breadth of offerings underscores Kenwood's long-standing presence in both the consumer electronics and two-way radio sectors, providing a centralized resource for product information and support.

Article explain how create your own D-ATV station. By Ken W6HHC & Robbie KB6CJZ on RF Newsletter

The instructions listed here show you how to set up a Raspberry Pi for use as an RTL-SDR dongle server

Qsl manager database files to download in multiple formats along to IOTA reference and other utilities

AF6SA USB antenna AZ-EL rotor controller compatible with Yaesu G-5500, G-450, G-650, HY-Gain and other AC motor rotors

Dual phase coherent Software Defined Radio using two K2 Elecraft receivers and programming in Matlab/Simulink.

Heathkit SB-220 Amplifier modification by KE5YA

Toronto Surplus , antique radio, test equipment, rf parts

This is an interactive filter design package, for designing digital filters

A simple 50 ohm dummy load to test transmitters. includes a simple RF diode detector to measure the peak voltage, and calculate the power

The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. The Super-J has very little separation between the two half-wave radiators.

Listen to Oklahoma city police scanner, oklahoma, moore ok county.

This project produces a sturdy tripod for small vertical antenna support using readily available electrical metal tubing (EMT) or conduit

5D-FB,8D-FB,10D-FB cables offer very low attenuation comparable to that of famous Andrews' Heliax and 8D-FB is almost half that of standard RG-213 for an equivalent diameter!

North Lithuania Amateur Radio Station and Contest Club LY1YK

Software Defined Radio manufacturer, SDR-IQ NetSDR SDR-IP and IF-2000

This page describes a cheap, weather-resistant and readily available type of antenna wire by HAMwaves.com